Once you learn to quit, it becomes a habit.
The man with no imagination has no wings.
I can never stand still. I must explore and experiment. I am never satisfied with my work. I resent the limitations of my own imagination.
You are not here merely to make a living. You are here in order to enable the world to live more amply, with greater vision, with a finer spirit of hope and achievement. You are here to enrich the world, and to impoverish yourself if you forget the errand.
What's the world's greatest lie?... It's this: that at a certain point in our lives, we lose control of what's happening to us, and our lives become controlled by fate.
March on. Do not tarry. To go forward is to move toward perfection. March on, and fear not the thorns, or the sharp stones on life's path.
A sudden dart when a little over a hundred feet from the end of the track, or a little over 120 feet from the point at which it rose into the air, ended the flight.
If you can dream it, you can do it. Always remember that this whole thing was started with a dream and a mouse.
You must never be fearful about what you are doing when it is right.
Go then if you must, but remember, no matter how foolish your deeds, those who love you will love you still.
I don't care what people think or say about me, I know who I am.
You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.
Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.
If you don't like the road you're walking, start paving another one.
My heroes are the ones who survived doing it wrong, who made mistakes, but recovered from them.
No leader can be too far ahead of his followers.
The present is theirs; the future, for which I really worked, is mine.
They say Rome wasn't built in a day, but I wasn't on that particular job.
Do not look for approval except for the consciousness of doing your best.
Dare to be free, dare to go as far as your thought leads, and dare to carry that out in your life.
The way to become rich is to put all your eggs in one basket and then watch that basket.